Alert archive / Kentucky / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 1, NWS Indianapolis, IN

February 21, 1993Hopkins County, McLean County, Muhlenberg County, Kentucky

NWS Indianapolis, IN issued this severe thunderstorm warning at Feb 21, 1993, 12:45 PM CST for Hopkins County, McLean County, Muhlenberg County, Kentucky. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Feb 21, 1993, 12:45 PM CST (18:45 UTC)
Expired
Feb 21, 1993, 1:15 PM CST
In force
30 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Hopkins County, KY, McLean County, KY, Muhlenberg County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.8 hours before the alert went out and 150 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 1993-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1993-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 442 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
442 m²/s²
0-3 km storm-relative helicity
498 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Feb 21, 6:49 AM CST, 5 hours 56 minutes before
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Special weather statement, Feb 21, 9:48 AM CST, 2 hours 57 minutes before
INZALL-211700-

SPECIAL WEATHER STATEMENT FOR WINTER WEATHER ADVISORY
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1030 AM EST SUN FEB 21 1993

...A WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR FAR NORTHERN INDIANA
FOR THIS AFTERNOON...

MOTORISTS ARE URGED TO USE CAUTION THIS AFTERNOON OVER FAR NORTH
INDIANA. DRIVING AT REDUCED SPEED IS THE SMART THING TO DO. ALSO
ALLOWING A GREATER DISTANCE BETWEEN YOU AND THE VEHICLE IN FRONT OF YOU
WILL MAKE FOR A SAFER TRIP.

RAIN OR FREEZING RAIN IN FAR NORTH INDIANA WILL BECOME MIXED WITH SLEET
LATE THIS AFTERNOON AND THEN POSSIBLY CHANGE TO SNOW TOWARDS EVENING
...AS LOW PRESSURE OVER MISSOURI MOVES TO NEAR THE INDIANA AND MICHIGAN
BORDER BY EVENING.j

DRIVING CONDITIONS IN THIS PART OF THE STATE WILL REMAIN HAZARDOUS
THROUGH THE AFTERNOON HOURS.
STEIGERWALDT
...CORRECTED TO CHANGE THE MESSAGE TYPE...
Special weather statement, Feb 21, 11:33 AM CST, 1 hour 12 minutes before
INZALL-211900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1230 PM EST SUN FEB 21 1993

...A WINTER WEATHER ADVISORY IS IN EFFECT FOR FAR NORTHERN INDIANA
FOR THIS AFTERNOON...AND A DENSE FOG ADVISORY FOR THE REST OF THE STATE
FOR THIS AFTERNOON...

MOTORISTS ARE URGED TO USE CAUTION THIS AFTERNOON ACROSS THE ENTIRE
STATE. DRIVING AT REDUCED SPEED MAY ENSURE THAT YOU WILL ARRIVE AT YOUR
DESTINATION SAFELY. ALSO ALLOWING A GREATER DISTANCE BETWEEN YOU AND THE
VEHICLE IN FRONT OF YOU WILL MAKE FOR A SAFER TRIP.

EARLY THIS AFTERNOON FREEZING DRIZZLE WAS OCCURRING OVER THE FAR NORTH
PART OF THE STATE. THE PRECIPITATION WILL BECOME MIXED WITH SLEET
LATE THIS AFTERNOON AND THEN POSSIBLY CHANGE TO SNOW TOWARDS EVENING
...AS LOW PRESSURE OVER THE SOUTHWEST PART OF ILLINOIS MOVES TO NORTHERN
INDIANA.

DENSE FOG AND DRIZZLE WAS OCCURRING OVER MOST OF NORTH CENTRAL...CENTRAL
AND SOUTHERN INDIANA EARLY THIS AFTERNOON. HVISIBILITIES WERE NEAR ZERO
IN SOME PLACES.

THE VISIBILITY AT EVANSVILLE HOWEVER HAD IMPROVED TO 4 MILES AROUND
NOON...AND MAY STAY UP FOR THE REST OF THE AFTERNOON.
STEIGERWALDT
Special weather statement, Feb 21, 12:41 PM CST, 4 minutes before
INZ000-220000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
140 PM EST SUN FEB 21 1992

A TORNADO WATCH IS IN EFFECT UNTIL 7 PM  EST FOR PART OF SOUTH
CENTRAL AND SOUTHEAST INDIANA...AND INCLUDES THAT PART OF INDIANA
...EAST OF A LINE FROM 55 MILES WEST OF LOUISVILLE TO 10 MILES EAST OF
COLUMBUS...AND SOUTH OF A LINE FROM 10 MILES EAST OF COLUMBUS TO 5
MILES NORTH OF LAWRENCEBURG.

SOME CITIES INCLUDED ARE... NORTH VERNON...LAWRENCEBURG...NEW
ALBANY...MADISON AND TELL CITY.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.
STEIGERWALDT

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 21, 1:37 PM CSTSevere Thunderstorm WarningINDButler38 min
Feb 21, 1:51 PM CSTSevere Thunderstorm WarningINDWarren39 min
Feb 21, 2:10 PM CSTSevere Thunderstorm WarningINDGrayson35 min
Feb 21, 2:18 PM CSTSevere Thunderstorm WarningINDAllen, Barren27 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1993Every severe thunderstorm warning in 1993

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.